Keyboard



FIG. 1 is a perspective view of a keyboard showing the claimed design;

FIG. 2 is another perspective view of FIG. 1;

FIG. 3 is a front elevational view of FIG. 1;

FIG. 4 is a rear elevational view of FIG. 1;

FIG. 5 is a left side elevational view of FIG. 1;

FIG. 6 is a right side elevational view of FIG. 1;

FIG. 7 is a top plan view of FIG. 1;

FIG. 8 is a bottom plan view of FIG. 1; and,

FIG. 9 is a partial enlarged view according to a “circle area A” of FIG. 1.

The broken lines in the figures represent portions of the article which form no part of the claimed design. 

CLAIM We claim an ornamental design for a keyboard, as shown and described. 